Diff Report
Run #519d44ffb3845: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d45fd795a4: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple@1

Drupal\Core\Cache\DatabaseBackend::getMultiple@1Run #519d44ffb3845Run #519d45fd795a4DiffDiff%
Number of Function Calls7 7 0 0.0%
Incl. Wall Time (microsec)4,883 4,993 110 2.3%
Incl. Wall Time (microsec) per call 698 713 16 2.3%
Excl. Wall Time (microsec)319 337 18 5.6%
Incl. CPU (microsecs)2,614 2,871 257 9.8%
Incl. CPU (microsecs) per call 373 410 37 9.8%
Excl. CPU (microsec)290 304 14 4.8%
Incl. MemUse (bytes)60,852 60,852 0 0.0%
Incl. MemUse (bytes) per call 8,693 8,693 0 0.0%
Excl. MemUse (bytes)7,576 7,584 8 0.1%
Incl. PeakMemUse (bytes)78,276 78,268 -8 -0.0%
Incl. PeakMemUse (bytes) per call 11,182 11,181 -1 -0.0%
Excl. PeakMemUse (bytes)9,572 9,572 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple@1 [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Cache\DatabaseBackend::getMultiple@10 N/A% 110 0.2% 257 0.5% 0 0.0% -8 -0.0%
Exclusive Metrics Diff for Current Function18 16.4% 14 5.4% 8 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::get@10 N/A% 110 100.0% 257 100.0% 0 N/A% -8 -100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 128 116.4% 111 43.2% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% -51 -46.4% 110 42.8% -8 N/A% -8 -100.0%
Drupal\Core\Database\Connection::escapeTable0 N/A% 11 10.0% 11 4.3% 0 N/A% 0 0.0%
array_diff0 N/A% 4 3.6% 4 1.6% 0 N/A% 0 0.0%
array_keys0 N/A% 0 0.0% 7 2.7% 0 N/A% 0 0.0%